1991512334

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1\times {\mathrm{1487}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 3438637056

約数和(自身を除く): 1447124722

約数列:

[1, 2, 7, 14, 271, 353, 542, 706, 1487, 1897, 2471, 2974, 3794, 4942, 10409, 20818, 95663, 191326, 402977, 524911, 669641, 805954, 1049822, 1339282, 2820839, 3674377, 5641678, 7348754, 142250881, 284501762, 995756167, 1991512334]

約数ペア:

[(1, 1991512334), (2, 995756167), (7, 284501762), (14, 142250881), (271, 7348754), (353, 5641678), (542, 3674377), (706, 2820839), (1487, 1339282), (1897, 1049822), (2471, 805954), (2974, 669641), (3794, 524911), (4942, 402977), (10409, 191326), (20818, 95663)]